﻿using System;

namespace Test
{
    class Program
    {
        public string[] Tps = new string[10];   
        static void Main(string[] args)
        {
            Program pro = new Program();
            
            for (int i = 0; i < 10; i++)
            {
                pro.Tps[i] = i.ToString();
                
            }
            string tps = "";
            foreach (var item in pro.Tps)
            {
                tps = tps + item;
            }
            Console.WriteLine("序号"+tps);
            Console.ReadLine();
        }
    }
}
namespace Test1
{
    class Program 
    {
        static void Main(string[] args)
        {
            byte b1 = 4;
            byte b2 = 3;
            byte b3 = (byte)((int)b1 + (int)b2);
        }
    }
}
